SELECTED OPTION:
SIZE: 4-12MM
Description: Drillpro 3 Flute Step Drill Bit TiAlN Coated HRC89 HSS-Co M35 Cobalt Step Drill 1/4 Inch Hexagon Shank Specification: | Brand | Drillpro |
| Material | M35 Cobalt(HSS-Co) |
| Coated | TiAlN Coated |
| Hardness | HRC89 |
| Flute | 3 Flutes |
| Shank | 1/4 Inch Hexagon Shank |
Size:
| Model | Steps | Size |
| 4-12mm | 9 | 4,5,6,7,8,9,10,11,12mm |
| 4-22mm | 10 | 4,6,8,10,12,14,16,18,20,22mm |
| 5-23mm | 10 | 5,7,9,11,13,15,17,19,21,23mm |
| 4-32mm | 15 | 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm |
Uses: Suitable for Aluminum, insulation board, PVC board chamfer, steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.
3 Flute, 3 Spiral groove Design: Great chip removal, great heat dissipation, higher drilling speed, small vibration, higherstability, make drilling highaccuracy.
1/4 Inch Hexagon Shank Design
HSS-Co/M35: More than 4241and 6542 high-speed steel materials.
Industrial-grade TiAlN Plating: 1. Form Al2O3 protection cover, fit for high speed drilling.
2. Can work without coolant.
3. Hardness up to HRC89.
4. Life service 2-3 times longer than common HSS-Co M35 step drill.
Package Included: 1 x 3 Flute Step Drill Bit
More Details: 
